MicroSD Card Problem

Hey guys, i seem to be having a unusual MicroSD Card problem. After turning on my phone this morning i noticed a 'Mounted ReadOnly' notification. I can't access any of my apps which are saved on my MicroSD Card, and i can't take photos or save new data, although i am able to play music. I am also unable to unmount the card and format it. I am also unable to access the card through my PC.

I've tried turning my phone on and off, soft resets, removing the battery and MicroSD Card, connecting to my PC, and error checking the card. But none of these techniques have worked.